The Board of Directors of OSE Immunotherapeutics proposes the appointment of Éric Leire as a new independent director – 05/31/2023 at 18:00

To the General Shareholders’ Meeting of June 22, 2023

Nantes, May 31, 2023, 6 p.m. – OSE Immunotherapeutics SA (ISIN: FR0012127173; Ticker: OSE) announces that the Board of Directors, on the recommendation of the Appointments and Remuneration Committee, has proposed the appointment of Doctor Éric Leire as of independent director. This appointment reflects the Company’s desire to broaden the skills and expertise within its Board and to strengthen its international dynamic to support its growth.